Clavipectoral fascia

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Anatomical structure in the human body


Clavipectoral Fascia[edit | edit source]

Diagram showing the clavipectoral fascia and its relation to the pectoralis minor muscle.

The clavipectoral fascia is a strong fascial layer located in the thorax of the human body. It is an important anatomical structure that plays a role in separating and supporting various muscles and neurovascular structures in the pectoral region.

Anatomy[edit | edit source]

The clavipectoral fascia is situated deep to the pectoralis major muscle and superficial to the pectoralis minor muscle. It extends from the clavicle above to the axillary fascia below. The fascia is continuous with the axillary sheath and the costocoracoid membrane.

Attachments[edit | edit source]

The clavipectoral fascia attaches superiorly to the clavicle and the first rib. Inferiorly, it blends with the axillary fascia. Medially, it is attached to the sternum, and laterally, it is continuous with the fascia over the deltoid muscle.

Structures Piercing the Fascia[edit | edit source]

Several important structures pierce the clavipectoral fascia, including:

Function[edit | edit source]

The clavipectoral fascia serves several functions:

  • It provides a protective layer for the neurovascular structures passing between the thorax and the upper limb.
  • It helps maintain the position of the pectoralis minor muscle and supports the axillary artery and vein.
  • It acts as a barrier, compartmentalizing the pectoral region and preventing the spread of infections.

Clinical Significance[edit | edit source]

Understanding the anatomy of the clavipectoral fascia is crucial for surgical procedures involving the axilla and pectoral region. Surgeons must be aware of the structures piercing the fascia to avoid complications during operations such as mastectomy or axillary lymph node dissection.

Related pages[edit | edit source]

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